Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 02:57

Affective disorders
⁉️sources from my experiences and internet research ⁉️
Dementia with Lewy bodies
Fever
Parkinson's disease
Brain Tumors
Bipolar disorder
Narcolepsy
Alcohol withdrawal
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Infection
Withdrawal from benzodiazepines
Pharmaceutical drug (abuse or side effects)
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Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Mental disorder
Alcohol
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Stress
Delirium tremens
Charles Bonnet syndrome
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Alzheimer's disease,
Hallucinogen use
Migraines
Head injury
Sleep disorders
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
PTSD
Grief (yes, sadly)
Seizures
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